html,body {
  font-size: 62.5%;
  font-size: 10px;
}
ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
dl,
dd {
  margin: 0;
  padding: 0
}
.choose {
  border-color:  orange!important;
}
.hidden {
  visibility: hidden;
}

.nav {
  font-size: 0; /* 消除li之间换行符的影响*/
  text-align: center;
}
.nav li {
  display: inline-block;
  width: 25%;
  font-size: 1.6rem;
}

.carts {
  font-size: 0;
  margin-top: 2rem;
}
.cart {
  display: inline-block;
  width: 20%;
  font-size: 1.4rem;
  margin-left: 5%;
  margin-top: 1rem;
  cursor: pointer;
  box-sizing: border-box;
  border: .1rem solid gray;
}
.cart span {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}
.special {
  text-align: center;
}

.set {
  color: #f1bb98;
}
.more {
  text-align: center;
  font-size: 1.2rem;
  cursor: pointer;
  margin-top: 3rem;
  margin-bottom: 3rem;
}


.trans {
  text-align: center;
  padding-left: 40%;
}
.transport {
  cursor: pointer;
  display: table-cell;
  width: 20rem;
  height: 10rem;
  vertical-align: middle;
  border: .1rem solid gray;

}